1. IOR/L/E/7/1560, File 3704 Reference (shelfmark): IOR/L/E/7/1560, File 3704 Title: File 3704 Participation of Indian Mails in the Trans-Australian Air Service Collection Area: India Office Records and Private Papers Languages: English Date Range: 9 May 1929-20 Jun 1929 Extent: 1 file